1 //===- unittests/ErrorOrTest.cpp - ErrorOr.h tests ------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Support/ErrorOr.h"
12 #include "gtest/gtest.h"
20 ErrorOr<int> t1() {return 1;}
21 ErrorOr<int> t2() {return make_error_code(errc::invalid_argument);}
23 TEST(ErrorOr, SimpleValue) {
24 ErrorOr<int> a = t1();
30 EXPECT_EQ(errc::invalid_argument, a);
31 EXPECT_DEBUG_DEATH(*a, "Cannot get value when an error exists");
34 #if LLVM_HAS_CXX11_STDLIB
35 ErrorOr<std::unique_ptr<int> > t3() {
36 return std::unique_ptr<int>(new int(3));
40 TEST(ErrorOr, Types) {
46 #if LLVM_HAS_CXX11_STDLIB
51 } // end anon namespace
53 struct InvalidArgError {
55 InvalidArgError(std::string S) : ArgName(S) {}
59 #if LLVM_HAS_CXX11_STDLIB
62 struct ErrorOrUserDataTraits<InvalidArgError> : std::true_type {
63 static error_code error() {
64 return make_error_code(errc::invalid_argument);
67 } // end namespace lld
70 return InvalidArgError("adena");
74 TEST(ErrorOr, UserErrorData) {
75 ErrorOr<int> a = t4();
76 EXPECT_EQ(errc::invalid_argument, a);
77 EXPECT_EQ("adena", t4().getError<InvalidArgError>().ArgName);
79 } // end anon namespace